fix: fix v2 log flag validation

[shuo-wu]

Which issue(s) this PR fixes:

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[coderabbitai]

Walkthrough

The pull request introduces a modification to the ValidateV2DataEngineLogFlags function in the types/types.go file. The change updates the regular expression pattern used to validate log flags, enhancing the validation logic. The new pattern provides more comprehensive validation by allowing underscores and ensuring a more structured format for log flag strings, while maintaining the core validation approach.

Changes

File	Change Summary
types/types.go	Updated regular expression pattern in ValidateV2DataEngineLogFlags to improve log flag validation, now allowing underscores and enforcing a more strict formatting rule

Sequence Diagram

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sequenceDiagram
    participant Caller
    participant ValidateV2DataEngineLogFlags
    participant Regex Validator

    Caller->>ValidateV2DataEngineLogFlags: Pass log flags string
    ValidateV2DataEngineLogFlags->>Regex Validator: Validate string format
    Regex Validator-->>ValidateV2DataEngineLogFlags: Return validation result
    ValidateV2DataEngineLogFlags-->>Caller: Return validation status

The sequence diagram illustrates the validation process for log flags, showing how the function uses the updated regex pattern to validate the input string before returning the result to the caller.

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

types/types.go (1)

855-856: LGTM! Consider enhancing the comment.

The regex pattern correctly validates the v2 log flags format, ensuring proper word separation with underscores and commas.

Consider updating the comment to be more descriptive about the allowed format:

-// A valid string is like "all,bdev_raid,vbdev_zone_block"
+// A valid string consists of one or more words separated by commas, where each word can contain
+// letters and single underscores between letters (e.g., "all", "bdev_raid", "all,bdev_raid,vbdev_zone_block").
+// Empty string is also valid.

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📥 Commits

Reviewing files that changed from the base of the PR and between 843ff6b and 249cc40.

📒 Files selected for processing (1)

• types/types.go (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (2)

• GitHub Check: Build binaries
• GitHub Check: Summary

[derekbit]

@mergify backport v1.8.x

[mergify]

backport v1.8.x

✅ Backports have been created

• #3491 fix: fix v2 log flag validation (backport #3489) has been created for branch v1.8.x